Need advice on tube upgrades for my BAT

O.K. all you BAT owners, I need your advice. I am looking
to upgrade the tubes in my VK-5i pre-amp and VK-5D CD
player. What tubes have you used and what are your recommendations? Who do you buy them from?
I swapped the tubes in my VK60 with upscale audio. big improvement. call 'em...they talk it through with you.
If you don't want to spend a lot of money on exotic upgrades, try NOS Phillips JAN 6922's. They cost less than the stock tubes and sound almost as good as the best exotic NOS tubes. They should be readily available at most reputable tube dealers. Try "".